.hd-nav {
  float: left;
  height: 100px;
  margin-left: 50px;

  .nav-item {
    display: inline-block;
    width: 75px;
    height: 100px;
    line-height: 100px;
    text-align: center;

    &:hover {
      .item-lk {
        color: #ff6700;
      }
    }
  }

  &:hover {
    .nav-menu {
      height: 229px;
      border-color: #ddd;
      box-shadow: 0 10px 10px #999;
    }
  }

  .item-lk {
    font-size: 18px;
  }
}
